clear glass cabochon, flat base with domed top round,drop,rectangles,heart,square,oval shapes custom sizes,custom shapes clear glass cabochon,one side domed ... with domed top,the other is with two flat sides. Following are existing sizes we have,we can also produce custom sizes.round glass ... cabochon:8,10,12,14,15,16,18,20,25,30,35,40,50mmdrop glass cabochon:13*18mm ...